On Sun, Jul 6, 2014 at 6:15 PM, Andi Kleen <a...@linux.intel.com> wrote:
>> a justification why the geometric mean is used here would increase my
>> confident significantly.
> It's just a standard way to summarize sets of benchmarks. For example SPEC
> uses the same approach.

No, SPEC would have calculated the geometric mean of the ratios
cmp[1][j] / cmp[0][j]. And this should also only be used under the
assumption that there is a multiplicative correlation.

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